Home / 477,106.56-658,441.44-286,116.48

Finding the Fourth Proportional to 477,106.56, 658,441.44 and 286,116.48

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Solution

The fourth proportional to 477,106.56, 658,441.44 and 286,116.48 is: 394,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,106.56 : 658,441.44 = 286,116.48 : x
  2. Step 2: Convert to fraction form
    477,106.56/658,441.44 = 286,116.48/x
  3. Step 3: Cross multiply
    477,106.56x = 658,441.44 × 286,116.48
  4. Step 4: Simplify right side
    477,106.56x = 188,390,947,098.93
  5. Step 5: Solve for x
    x = 188,390,947,098.93/477,106.56
  6. Step 6: Final answer
    x = 394,861.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.